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Single-atom laser: Coherent and nonclassical effects in the regime of a strong atom-field correlation

  • Atoms, Spectra, Radiation
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Abstract

Based on the approximation of strong correlations between an atom and an intracavity field, which implies the equal probabilities of finding the atom in the ground state and n photons in the field and of finding the atom in an excited state and n−1 photons in the field, it is shown that the conditional states of a field generated by a single-atom laser are described by the diagonal part of the generalized coherent Mittag-Leffler state. The quasi-distributions P and Q of the intracavity-field probability amplitude are found, and the boundedness of the Glauber function on a segment is shown. The possibility of inversionless lasing is demonstrated, and the absence of a lasing threshold is found for some region of parameters. The regimes of generation of the amplitude-squeezed states of the field are studied and the parameters of the system providing the maximum squeezing are determined. It is shown that the atom-field states are entangled at weak pump intensities.

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Authors and Affiliations

  1. Stepanov Institute of Physics, National Academy of Sciences of Belarus, Minsk, 220072, Belarus

    S. Ya. Kilin & T. B. Karlovich

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  1. S. Ya. Kilin
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  2. T. B. Karlovich
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__________

Translated from Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 122, No. 5, 2002, pp. 933–949.

Original Russian Text Copyright © 2002 by Kilin, Karlovich.

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Kilin, S.Y., Karlovich, T.B. Single-atom laser: Coherent and nonclassical effects in the regime of a strong atom-field correlation. J. Exp. Theor. Phys. 95, 805–819 (2002). https://doi.org/10.1134/1.1528672

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  • DOI: https://doi.org/10.1134/1.1528672

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